Matsuri Toda is a second-year student at Sakaneko High School and serves as the student council treasurer. She is a calm and collected individual, rarely disturbed by events around her and fully devoted to her duties. Her composed nature makes her a reliable presence in the student council, and she has a deep admiration for the student council president, Tsubaki Akabane, appreciating Tsubaki's resolute and unwavering attitude. Matsuri is also known for her close friendship with Ayame Osaki, often acting as the one who calms Ayame down when she becomes overly excited or runs wild. While Matsuri does not undergo significant personal development during the series, her steady personality and loyalty to her responsibilities define her role as a supporting figure in the story. She has no particular special abilities beyond her meticulous financial management and her ability to maintain order through calm reasoning.